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International Communications Research (ICR) conducted the 2004 National Spring Cleaning Survey for The Soap and Detergent Association. ICR questioned 1000 American male and female heads of household regarding their house cleaning attitudes. The survey has a margin of error of plus or minus 5%.THOSE HARD TO CLEAN PLACESCleaning windows is rated the most difficult household taskby more than one-third of adults.Behind the TV 24%Don't know 8%Tops of shelves 16%Under couch 12%Venetian blinds 35%Wooden floors 5%(a) What is the population?the 1000 American male and female heads of householdhardest household place to clean number of hours per week spent cleaningwhich places heads of household clean firstall American heads of household(b) How many people were polled?people(c) What information was obtained from each person?hardest household place to cleannumber of hours per week spent cleaning which places heads of household clean first(d) Using the information given, estimate the number of surveyed adults who think cleaning under the couch is the most difficult cleaning job.surveyed adults(e) What do you think the "margin of error of plus or minus 5%" means?actual percentage could be 2.5% lower or 2.5% higher than quotedestimated percentage could be 5% lower or 5% higher than quoted estimated percentage could be 2.5% lower or 2.5% higher than quotedactual percentage could be 5% lower or 5% higher than quoted
q1. mr. davidson plans to purchase a new house in october 2013. the sale price of the house is 436000. he plans to pay
Outline two techniques which can be used to decide where to put SPC effort most effectively and state 3 ways in which the application of SPC can improve quality standards.
1. the study you will evaluate for your assignment isbinge drinking and alcohol-related behaviours amongst pacific
Calculate the maximum reduction in the standard deviation
Calculate the difference for each subject, then calculate the mean and standard deviation of these differences.
1 labforensic collection and analysis of persistent datawrite up your lab experience including the necessary steps
Binge drinking and alcohol-related behaviours amongst Pacific youth: a national survey of secondary school students
Find the probability of drawing a diamond card in each of the consecutive draws from a wellshuffled pack of cards, if the card drawn is not replaced after the first draw.
"Range of optimality" describes the impact of simultaneous changes in objective function values and right-hand-side values.
A paper company is interested in estimating the proportion of trees in a 500-acre forest with diameters exceeding 2 feet. The company selects 25 plots (100 feet by 100 feet) from the forest and utilizes the information from the 25 plots to help..
What are its mean and median and what is the procedure for using mean and median to determine whether the data is skewed, and if so, in what direction?
What p-value did you get in your randomization and explain in the context of the problem what the p-value means. What is the variable of interest and what graphical techniques will you use to describe your data?
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